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公开(公告)号：US20230116284A1
公开(公告)日：2023-04-13
申请号：US16975830
申请日：2019-10-14
发明人： Xiangmi ZHAN , Xuecheng HOU , Zhi DING , Guan ZHANG , Jianxing SHANG , Jingjie SU
IPC分类号： H01L27/146
摘要： The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.
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公开(公告)号：US20240194705A1
公开(公告)日：2024-06-13
申请号：US17908418
申请日：2021-08-31
发明人： Xiangmi ZHAN , Zhenyu WANG , Yifan YANG , Zhi DING , Xuecheng HOU
IPC分类号： H01L27/146 , G01T1/20
CPC分类号： H01L27/14616 , G01T1/2018 , H01L27/14636 , H01L27/14659 , H01L27/14689 , H01L27/14692
摘要： The present disclosure provides a detection substrate, including: a base substrate, detection pixel units arranged in an array on the base substrate, where each detection pixel unit includes: a thin film transistor and a photoelectric conversion part located on a side of the thin film transistor, and a bias voltage line is arranged on a side of the photoelectric conversion part. The thin film transistor includes: an active layer, a first electrode and a second electrode, and the active layer including a channel region. At least one dielectric layer is provided between the photoelectric conversion part and the bias voltage line, and is formed with a first via hole therein, and at least part of an orthographic projection of the channel region on the base substrate is located within an orthographic projection of the first via hole on the base substrate. A flat panel detector is further provided.
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公开(公告)号：US20220171079A1
公开(公告)日：2022-06-02
申请号：US17488616
申请日：2021-09-29
发明人： Xiangmi ZHAN , Zhenyu WANG , Xuecheng HOU
IPC分类号： G01T1/24 , H01L27/146
摘要： There is provided a detection panel, including: a substrate, gate lines, signal detection lines and pixels, a thin film transistor and an optical sensor are arranged in each pixel, the thin film transistor has a gate coupled with the corresponding gate line, a first electrode coupled with the corresponding signal detection line, and a second electrode coupled with a third electrode of the optical sensor in the same pixel; the pixels include at least one detecting pixel and at least one marking pixel, a first bias voltage line and a second bias voltage line are arranged on a side of the optical sensor away from the substrate, a fourth electrode of the optical sensor in the detecting pixel is coupled with the corresponding first bias voltage line, and the second electrode of the thin film transistor in the marking pixel is coupled with the corresponding second bias voltage line.
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公开(公告)号：US20230299101A1
公开(公告)日：2023-09-21
申请号：US18321069
申请日：2023-05-22
发明人： Xiangmi ZHAN , Xuecheng HOU , Zhi DING , Guan ZHANG , Jianxing SHANG , Jingjie SU
IPC分类号： H01L27/146
CPC分类号： H01L27/14612 , H01L27/14663 , H01L27/14692
摘要： The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.
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